Display screen or portion thereof with new user start screen interface



FIG. 1 is a front view of a first image of a display screen or a portion thereof with new user start screen interface according to our design; and,

FIG. 2 is a front view of a second image thereof.

The appearance of the image sequentially transitions between the images shown in FIGS. 1-2. The process or period in which one image transitions to another image forms no part of the claimed design.

Areas of the design shown with a stipple fill bordered by a dash-dot broken line illustrate a visual contrast compared to the non-filled areas. Different stipple fills shown in different figures indicate contrasting visual appearance therebetween. The dash-dot broken line forms no part of the claimed design.

The broken line showings of text and other features in the figures are environmental only and form no part of the claimed design. The text shown, and its specific placement, is merely illustrative and forms no part of the claimed design.

The broken line rectangular border in the figures illustrates a border with the display screen or portion thereof. 

CLAIM The ornamental design for a display screen or portion thereof with new user start screen interface, as shown and described. 